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T +31 20 535 4567

Sophie Kallen

Senior Associate

Sophie Kallen studied Tax Law at Maastricht University.

After graduating in 2016, she started her career as an Indirect Tax advisor at the Indirect Tax department for one of the Big Four companies in Amsterdam. While working for this company, she spent six months working at the Dutch / European Desk in Beijing. Sophie is specialized in VAT and has extensive experience with worldwide indirect tax issues relating to (global) reorganizations and M&A projects, supply chains, Pharma, Medtech, customer loyalty programs and incentive programs for clients. Furthermore, Sophie is lead advisor for various of our US based clients in the Pharma industry.

In 2019, Sophie graduated from the Post-Master Indirect Tax at Erasmus University Rotterdam.

Sophie joined Atlas’ Global Indirect Tax team in 2020.

Joined Atlas in 2020


Tax Law, Maastricht University

European Fiscal Studies, Post-Master Indirect Tax, Erasmus University Rotterdam


Dutch, English, German, Spanish


Member of the Dutch Association of Tax Advisors (NOB)